On 07.03.23 14:05, Lin Ma wrote:
The commit 6faee3d4ee8b ("igb: Add lock to avoid data race") adds rtnl_lock to eliminate a false data race shown below
(FREE from device detaching) | (USE from netdev core) igb_remove | igb_ndo_get_vf_config igb_disable_sriov | vf >= adapter->vfs_allocated_count? kfree(adapter->vf_data) | adapter->vfs_allocated_count = 0 | | memcpy(... adapter->vf_data[vf]
[...] CC: stable@vger.kernel.org Fixes: 6faee3d4ee8b ("igb: Add lock to avoid data race") Reported-by: Corinna vinschen@redhat.com Link: https://lore.kernel.org/regressions/3ef31c0b-ce40-20d0-7740-5dc0cca278ca@mol...
FWIW, that afaics should be:
Link: https://lore.kernel.org/intel-wired-lan/ZAcJvkEPqWeJHO2r@calimero.vinschen.d...
(that's the parent of the mail above)
Signed-off-by: Lin Ma linma@zju.edu.cn
Ciao, Thorsten